package com.clss.emergencycall.utils;

import android.content.Context;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.style.ForegroundColorSpan;
import android.widget.EditText;
import android.widget.TextView;

import androidx.core.content.ContextCompat;


import com.clss.emergencycall.EmergencyApplication;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


/**
 * Created by 唐浩 on 2018/3/14.
 */

public class StrUtils {
    private static final String TAG = "StrUtils";
    static final int GB_SP_DIFF = 160;
    // 存放国标一级汉字不同读音的起始区位码
    static final int[] secPosValueList = { 1601, 1637, 1833, 2078, 2274, 2302,
            2433, 2594, 2787, 3106, 3212, 3472, 3635, 3722, 3730, 3858, 4027,
            4086, 4390, 4558, 4684, 4925, 5249, 5600 };
    // 存放国标一级汉字不同读音的起始区位码对应读音
    static final char[] firstLetter = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
            'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'w', 'x',
            'y', 'z' };

    public static String getSpells(String characters) {
        StringBuffer buffer = new StringBuffer();
        for (int i = 0; i < characters.length(); i++) {
            char ch = characters.charAt(i);
            if ((ch >> 7) == 0) {
                // 判断是否为汉字，如果左移7为为0就不是汉字，否则是汉字
            } else {
                char spell = getFirstLetter(ch);
                buffer.append(String.valueOf(spell));
            }
        }
        return buffer.toString();
    }

    // 获取一个汉字的首字母
    public static Character getFirstLetter(char ch) {

        byte[] uniCode = null;
        try {
            uniCode = String.valueOf(ch).getBytes("GBK");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            return null;
        }
        if (uniCode[0] < 128 && uniCode[0] > 0) { // 非汉字
            return null;
        } else {
            return convert(uniCode);
        }
    }


    /**
     * 获取一个汉字的拼音首字母。 GB码两个字节分别减去160，转换成10进制码组合就可以得到区位码
     * 例如汉字“你”的GB码是0xC4/0xE3，分别减去0xA0（160）就是0x24/0x43
     * 0x24转成10进制就是36，0x43是67，那么它的区位码就是3667，在对照表中读音为‘n’
     */
    static char convert(byte[] bytes) {
        char result = '-';
        int secPosValue = 0;
        int i;
        for (i = 0; i < bytes.length; i++) {
            bytes[i] -= GB_SP_DIFF;
        }
        secPosValue = bytes[0] * 100 + bytes[1];
        for (i = 0; i < 23; i++) {
            if (secPosValue >= secPosValueList[i]
                    && secPosValue < secPosValueList[i + 1]) {
                result = firstLetter[i];
                break;
            }
        }
        return result;
    }

    /***
     * 是否仅为字母
     * @param str
     * @return
     */
    public static boolean isNumeric(String str){
        for(int i=str.length();--i>=0;){
            int chr=str.charAt(i);
            if(chr<48 || chr>57){
                return false;
            }
        }
        return true;

    }

/*
判断是否为汉字
 */

    public static boolean isContainChinese(String str) {

        Pattern p = Pattern.compile("[\u4e00-\u9fa5]");
        Matcher m = p.matcher(str);
        return m.find();
    }





    private final static int[] li_SecPosValue = { 1601, 1637, 1833, 2078, 2274,
            2302, 2433, 2594, 2787, 3106, 3212, 3472, 3635, 3722, 3730, 3858,
            4027, 4086, 4390, 4558, 4684, 4925, 5249, 5590 };
    private final static String[] lc_FirstLetter = { "a", "b", "c", "d", "e",
            "f", "g", "h", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s",
            "t", "w", "x", "y", "z" };

    /***
     * 解决特殊字符换行问题。
     ****/

    public static String ToDBC(String input) {
        char[] c = input.toCharArray();

        for (int i = 0; i < c.length; i++) {
//            String b = String.valueOf(c[i]);
//            if ("。".equals(b)){
//               continue;
//            }
            if (c[i] == 12288) {
                c[i] = (char) 32;
                continue;
            }
            if (c[i] > 65280 && c[i] < 65375)
                c[i] = (char) (c[i] - 65248);
        }
        return new String(c);
    }

    public  static void setEditSite(EditText editText){
        editText.setSelection(editText.getText().length());
    }

    /** 设置影藏电话号码部分 */
    public  static String setHideNum(String s){
        StringBuilder photo = new StringBuilder();
        String[] strList = s.split("");
        for (int i = 0; i < strList.length; i++) {
            if (i >= 4 && i <= 7){
                strList[i] ="*";
            }
            photo.append(strList[i]);
        }
        return photo.toString();
    }

    /**
     * 设置一部分字体颜色
     */
    public static void setColorToPart(TextView textView, int startIndex, int endIndex, int startIndexone, int endIndexone, int color) {
        SpannableStringBuilder builder = new SpannableStringBuilder(textView.getText().toString());
        ForegroundColorSpan redSpan = new ForegroundColorSpan(ContextCompat.getColor(EmergencyApplication.Companion.getAppContext(), color));
        ForegroundColorSpan redSpantwo = new ForegroundColorSpan(ContextCompat.getColor(EmergencyApplication.Companion.getAppContext(), color));
        builder.setSpan(redSpan, startIndex, endIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        if (startIndexone > -1) {
            builder.setSpan(redSpantwo, startIndexone, endIndexone, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
        textView.setText(builder);
    }

    /**
     * 从raw包下读取数据
     * @param context
     * @param rawName   R.raw.jx
     * @return
     */
    public static String readFileFromRaw(Context context, int rawName) {
        try {
            InputStreamReader inputReader = new InputStreamReader(context.getResources().openRawResource(rawName));
            BufferedReader bufReader = new BufferedReader(inputReader);
            String line = "";
            String result = "";
            while ((line = bufReader.readLine()) != null)
                result += line;
            return result;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";
    }


    /**
     * 读取Asserts下面的数据。
     * @param activity
     * @param fileName  main.json
     * @return
     */
    private static String getFileStremFromAsserts(Context activity, String fileName) {

        try {
            //从assets获取json文件
            InputStreamReader isr = new InputStreamReader(activity.getClass().getClassLoader().getResourceAsStream("assets/" + fileName));
            //字节流转字符流
            BufferedReader bfr = new BufferedReader(isr);
            String line;
            StringBuilder stringBuilder = new StringBuilder();
            while ((line = bfr.readLine()) != null) {
                stringBuilder.append(line);
            }//将JSON数据转化为字符串
            return stringBuilder.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";
    }


}
